Chilkat is a cross-language, cross-platform API providing 90+ classes for many Internet protocols, formats, and algorithms.

Products
POP3 / SMTP
Zip, GZip, Bz2, .Z Compression
Data Compression
TAR Archive
FTP2
IMAP
Encryption
RSA Encryption and Signatures

C#, VB.NET, ASP.NET, ASP, VB6, FoxPro, VBScript, Delphi, SQL Server, C/C++, Objective-C, Swift, Xojo, Node.js, C++ Builder, Powershell, Perl, PHP, Ruby, Java, Python, Lianja, PureBasic, all languages supporting ActiveX (such as PowerBuilder, DataFlex, etc.).

Ozeki VoIP SIP SDK provides a first-rate technology for softphone development. Instead of wasting time for long development process on your own, you can take advantage on this decent software development kit. You will see how easy it is to create a softphone when you use Ozeki SIP SDK. A basic programming knowledge is enough, since Ozeki SIP SDK provides the base for the VoIP solution you are working on.

Products
POP3 / SMTP - Feature List
Zip, GZip, Bz2, .Z Compression - Feature List
Data Compression - Feature List
TAR Archive - Feature List
FTP2 - Feature List
IMAP - Feature List
Encryption - Feature List
RSA Encryption and Signatures - Feature List
DSA (DSS) Signatures - Feature List
Diffie-Hellman (DH) Key Exchange - Feature List
HTTP - Feature List

Ozeki VoIP SIP SDK provides a first-rate technology for softphone development. Instead of wasting time for long development process on your own, you can take advantage on this decent software development kit. You will see how easy it is to create a softphone when you use Ozeki SIP SDK. A basic programming knowledge is enough, since Ozeki SIP SDK provides the base for the VoIP solution you are working on.

Diafaan SMS Server full edition is a powerful SMS platform for 3G/GSM/CDMA modems, HTTP SMS services and SMPP accounts. This edition has no limits on the number of 3G/GSM modems, SMPP accounts or HTTP based SMS services. It is the perfect solution for projects where you need to apply multiple 3G/GSM modems. Diafaan SMS Server is an SMS gateway for Windows that makes it easy to send and receive SMS text messages from and to a web browser, web server, email, SQL database or C#/Visual Basic .NET script.

Encrypt and decrypt files, emails, documents, and messages through major cryptographic standards, including S/MIME, OpenPGP, TripleDES, TwoFish, RSA, AES, etc. Complete with X.509 and OpenPGP certificate management. IP*Works! Encrypt is a comprehensive suite of components for implementing strong encryption via major cryptographic standards. The easy to use components enable developers to quickly extend applications with powerful security features including encryption & decryption, secure message hashing, message signing & signature verification, and digital certificate generation and management.

Encrypt and decrypt files, emails, documents, and messages through major cryptographic standards, including S/MIME, OpenPGP, TripleDES, TwoFish, RSA, AES, etc. Complete with X.509 and OpenPGP certificate management. IP*Works! Encrypt is a comprehensive suite of components for implementing strong encryption via major cryptographic standards. The easy to use components enable developers to quickly extend applications with powerful security features including encryption & decryption, secure message hashing, message signing & signature verification, and digital certificate generation and management.

Encrypt and decrypt files, emails, documents, and messages through major cryptographic standards, including S/MIME, OpenPGP, TripleDES, TwoFish, RSA, AES, etc. Complete with X.509 and OpenPGP certificate management. IP*Works! Encrypt is a comprehensive suite of components for implementing strong encryption via major cryptographic standards. The easy to use components enable developers to quickly extend applications with powerful security features including encryption & decryption, secure message hashing, message signing & signature verification, and digital certificate generation and management.

Ozeki VoIP SIP SDK provides a first-rate technology for softphone development. Instead of wasting time for long development process on your own, you can take advantage on this decent software development kit. You will see how easy it is to create a softphone when you use Ozeki SIP SDK. A basic programming knowledge is enough, since Ozeki SIP SDK provides the base for the VoIP solution you are working on.